enforce U1(Int32(1)) == U1(1)

Author: ogauthe

NDTensors/src/lib/SymmetrySectors/src/sector_definitions/u1.jl

@@ -25,3 +25,6 @@ abelian_label_fusion_rule(sector_type::Type{<:U1}, n1, n2) = sector_type(n1 + n2
 function Base.show(io::IO, u::U1)
   return print(io, "U(1)[", sector_label(u), "]")
 end
+
+# enforce U1(Int32(1)) == U1(1)
+Base.:(==)(s1::U1, s2::U1) = sector_label(s1) == sector_label(s2)

NDTensors/src/lib/SymmetrySectors/test/test_simple_sectors.jl

@@ -43,6 +43,8 @@ using Test: @inferred, @test, @testset, @test_throws
     @test dual(U1(2)) == U1(-2)
     @test isless(U1(1), U1(2))
     @test !isless(U1(2), U1(1))
+    @test U1(Int8(1)) == U1(1)
+    @test U1(UInt32(1)) == U1(1)
 
     @test U1(0) == TrivialSector()
     @test TrivialSector() == U1(0)
@@ -70,6 +72,9 @@ using Test: @inferred, @test, @testset, @test_throws
 
     @test Z{2}(0) == TrivialSector()
     @test TrivialSector() < Z{2}(1)
+    @test Z{2}(0) != Z{2}(1)
+    @test Z{2}(0) != Z{3}(0)
+    @test Z{2}(0) != U1(0)
   end
 
   @testset "O(2)" begin